Corner of Broadway and 4th Ave North. The Masonic Temple in Lewistown is listed on the National Register of Historic Places. It is associated with events that reflect significant settlement patterns in the growth of Montana and in the development of Lewistown. The Masonic Temple was designed by Otto F. Wasmansdorff and George D. Eastman. A significant portion of Lewistown’s architecture is native sandstone, due to a nearby abundance of quality building stone. Many of Lewistown’s stone structures were built by Croatian stonemasons who immigrated from Bribir. On hearing of the “boom” and the availability of good stone, a few “Bribirci” set out for Lewistown as early as 1897 and quickly found work. Other Croatian stonemasons, hearing of their success, began coming to Lewistown in increasing numbers. By 1915, the Croatian population had swelled to an estimated 100 in Lewistown and 373 in Fergus County (1910 census).The population of Lewistown more than tripled between 1900 and 1908 and the streets were rapidly lined with stone buildings to meet the needs of the fast growing community (Ellen and Ken Sievert).It is located at 322 W. Broadway. It was built in 1908.